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Life is a quality that distinguishes matter that has biological processes, such as signaling and self-sustaining processes, from matter that does not. It is defined descriptively by the capacity for homeostasis, organisation, metabolism, growth, adaptation, response to stimuli, and reproduction. All life over time eventually reaches a state of ...
May 29, 2024 · Life comprises individuals, living beings, assignable to groups (taxa). Each individual is composed of one or more minimal living units, called cells, and is capable of transformation of carbon -based and other compounds (metabolism), growth, and participation in reproductive acts. Life-forms present on Earth today have evolved from ancient ...
life: [noun] the quality that distinguishes a vital and functional being from a dead body. a principle or force that is considered to underlie the distinctive quality of animate beings. an organismic state characterized by capacity for metabolism (see metabolism 1), growth, reaction to stimuli, and reproduction.
If extraterrestrial life exists, it may or may not share the same characteristics. Indeed, NASA’s working definition that “life is a self-sustaining system capable of Darwinian evolution” opens the door to many more possibilities than the criteria defined above 3 . However, this definition also makes it hard to quickly decide whether ...
LIFE definition: 1. the period between birth and death, or the experience or state of being alive: 2. for the whole…. Learn more.
Life definition: the condition that distinguishes organisms from inorganic objects and dead organisms, being manifested by growth through metabolism, reproduction, and the power of adaptation to environment through changes originating internally..
